package com.auxgroup.hr.front.commons.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/** 
 * @author lvliuhao 
 * @version 创建时间：2017年10月26日 上午11:37:16 
 * spring 上下文 工具类
 */
@Component
public class SpringUtil implements ApplicationContextAware {
	
	private static ApplicationContext applicationContext;

	@Override
	public void setApplicationContext(ApplicationContext applicationContext)
			throws BeansException {
		if(SpringUtil.applicationContext == null) {
            SpringUtil.applicationContext = applicationContext;
        }
	}
	
	/**
	 * 获取applicationContext
	 * @return
	 */
    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    /**
     * 通过name获取 Bean.
     * @param name
     * @return
     */
    public static Object getBean(String name){
        return getApplicationContext().getBean(name);
    }

    /**
     * 通过class获取Bean.
     * @param clazz
     * @return
     */
    public static <T> T getBean(Class<T> clazz){
        return getApplicationContext().getBean(clazz);
    }

    /**
     * 通过name,以及Clazz返回指定的Bean
     * @param name
     * @param clazz
     * @return
     */
    public static <T> T getBean(String name,Class<T> clazz){
        return getApplicationContext().getBean(name, clazz);
    }
    
    /**
     * 获取当前环境
     * @return
     */
    public static String getActiveProfile() {
        return getApplicationContext().getEnvironment().getActiveProfiles()[0];
    }
}
 